For one thing, doing exercises properly is a good way to building our body and accelerate our blood circulation.
一方面，适当的锻炼是塑造强壮的身体以及加速血液循环的好方法。
2
The sign, one is not an information circulationway of the language.
标志，一种非语言的信息传播方式。
3
The leach of crown layer is one of the functions of forest in regulating rainfall and also an important. Way of material circulation in forest ecosystem.